forked from boostorg/fusion
36 lines
1.2 KiB
C++
36 lines
1.2 KiB
C++
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/*=============================================================================
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Copyright (c) 2001-2006 Joel de Guzman
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Use, modification and distribution is subject to the Boost Software
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License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#if !defined(FUSION_ENABLE_COMPARISON_09232005_1958)
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#define FUSION_ENABLE_COMPARISON_09232005_1958
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#include <boost/mpl/or.hpp>
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#include <boost/mpl/and.hpp>
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#include <boost/mpl/not.hpp>
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#include <boost/mpl/equal_to.hpp>
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#include <boost/fusion/support/is_sequence.hpp>
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#include <boost/fusion/sequence/intrinsic/size.hpp>
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#include <boost/fusion/support/detail/is_mpl_sequence.hpp>
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namespace boost { namespace fusion { namespace detail
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{
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template <typename Seq1, typename Seq2>
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struct enable_equality
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: mpl::or_<fusion::traits::is_sequence<Seq1>, fusion::traits::is_sequence<Seq2> >
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{};
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template <typename Seq1, typename Seq2>
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struct enable_comparison
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: mpl::and_<
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mpl::or_<fusion::traits::is_sequence<Seq1>, fusion::traits::is_sequence<Seq2> >,
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mpl::equal_to<result_of::size<Seq1>, result_of::size<Seq2> > >
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{};
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}}}
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#endif
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